The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2008
Filed:
Feb. 19, 2004
Keisuke Ohnishi, Tokyo, JP;
Takayuki Matsunaga, Tokyo, JP;
Keisuke Ohnishi, Tokyo, JP;
Takayuki Matsunaga, Tokyo, JP;
Navitime Japan Co., Ltd., Tokyo, JP;
Abstract
A pedestrian navigation device (A) of this invention comprises a position information reception portion (), which obtains current position information from a GPS (); a position information analysis portion (), which analyzes current position information received by the position information reception portion () and calculates the current position; a MAPDB (Map Data Base) (), which stores map information; a central processing portion (), which calculates current position display information, based on the current position calculated by the position information analysis portion () and on map information stored in the MAPDB (); a display portion, which displays current position display information calculated by the central processing portion (); and an input portion (), which inputs route search conditions and issues instructions to begin navigation. By this means, a pedestrian navigation device is provided which, when navigating a pedestrian route, is able to accurately detect the direction of advance through judgment of stops and suppression of meandering.